private static IEnumerable <string> GetEnvironmentVariableAndDefaultValue(ArgumentAttribute attribute, Func <string, string> getEnvironmentVariable = null)
{
var results = new List <string>();
if (!string.IsNullOrWhiteSpace(attribute.EnvVar))
{
var item = (getEnvironmentVariable ?? Environment.GetEnvironmentVariable)(attribute.EnvVar);
if (item != null)
{
results.Add(item);
}
}
if (!string.IsNullOrEmpty(attribute.Default))
{
results.Add(attribute.Default);
}
return(results);
}
private static bool ParseArgumentValue(ArgumentAttribute attribute, object target, PropertyInfo propertyInfo, string[] args)
{
for (var index = 0; index < args.Length; index++)
{
var arg = args[index];
if (!arg.Equals(attribute.ShortName) && !arg.Equals(attribute.LongName))
{
continue;
}
if (propertyInfo.PropertyType == typeof(bool))
{
propertyInfo.SetValue(target, true);
return(true);
}
var value = index + 1 < args.Length ? args[index + 1] : null;
propertyInfo.SetValue(target, value);
return(true);
}
return(false);
}